everyone else under the law. surely the love must be equal as well. >> it is the first time the issue of gay rights has been mentioned in an inaugural address. >> the opera house opened its doors for a watch party today. >> my fellow americans, the oath i have sworn before you today -- >> people gathered to watch president obama's faith in america's future speech. one woman came for the atmosphere and a speech that is all about community involvement. >> you know, he strikes the right amount of hope and challenges all of us to step forward and participate in our government which is important. >> people were thrilled the festivities on the day that honored martin luther king, jr. for more on today's festivities in washington, log on to www.ktvu.com and click on the inauguration tab. >>> while addressing the nation today president obama promised action on climate change. ktvu's health and science editor john fowler joins us now live in foster city with reaction and the reality. john? >> reporter: indeed it is beautiful here tonight at center park but experts tell me do nothing and today'